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All Journal Jurnal Teknologi Industri Pertanian J-Sil (Jurnal Teknik Sipil dan Lingkungan) Jurnal Silvikultur Tropika (JST) Bumi Lestari Jurnal Ilmu Lingkungan Jurnal Keteknikan Pertanian Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Indonesian Journal of Electrical Engineering and Computer Science Jurnal Manusia dan Lingkungan Policy Brief Pertanian, Kelautan, dan Biosains Tropika J-Sil (Jurnal Teknik Sipil dan Lingkungan)

Arief Sabdo Yuwono

Department Of Civil And Environmental Engineering, Faculty Of Agricultural Technology, IPB University, IPB Darmaga Campus, Bogor, 16680, Indonesia

Author-ID : 426778

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Energy Engineering Environmental Science Industrial & Manufacturing Engineering Social Sciences Transportation

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ANALISIS EKSERGI PADA TEKNOLOGI PRODUKSI BIODIESEL KELAPA SAWIT Rosmeika, Armansyah H. Tambunan dan Arief Sabdo Yuwono TIP
Jurnal Teknologi Industri Pertanian Vol. 24 No. 3 (2014): Jurnal Teknologi Industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar

ABSTRAKBiodiesel merupakan bahan bakar alternatif yang dapat menggantikan bahan bakar diesel, karena sifatnya yang terbarukan dan ramah lingkungan. Biodiesel dapat diproduksi baik secara proses katalitik ataupun non-katalitik. Makalah ini membahas dua teknologi yang berbeda dalam memproduksi biodiesel kelapa sawit, yaitu proses katalitik yang menggunakan katalis basa dan proses non katalitik uap metanol superheated (superheated methanol vapor / SMV). Analisis eksergi dilakukan untuk membandingkan kedua teknologi tersebut. Sistem tertutup diasumsikan pada analisis eksergi, sedangkan eksergi kinetik dan potensial diabaikan. Hasil penelitian menunjukkan bahwa total efisiensi eksergi untuk proses non-katalitik SMV lebih rendah dibandingkan proses katalitik, yaitu sebesar 92,61% dan 95,37%, secara berurutan. Proses penguapan metanol memberikan kontribusi yang tinggi pada ireversibilitas (tidak mampu balik), yaitu sebesar 2802.07 kJ/kg biodiesel. Penerapan proses resirkulasi panas dapat meningkatkan efisiensi eksergi pada proses produksi biodiesel, terutama apabila metode SMV akan diterapkan. Ireversibilitas pada proses non-katalitik SMV lebih tinggi dibandingkan proses katalitik, karena kebutuhan suhu yang tinggi pada proses non-katalitik SMV. Oleh karena itu, perbaikan proses SMV sangat perlu dilakukan, terutama pada proses penguapan metanol, guna meningkatnya efisiensi proses tersebut.Kata kunci: minyak sawit, biodiesel, uap metanol superheated, katalis basa, analisis eksergi

ANALISIS BEBAN EMISI UDARA PRIMER DI PROVINSI BANGKA BELITUNG Elviana Elviana; Arief Sabdo Yuwono; Yudi Chadirin
Jurnal Teknik Sipil dan Lingkungan Vol. 1 No. 2: Agustus 2016
Publisher : Departemen Teknik Sipil dan Lingkungan, IPB University

Economic growth in Bangka Belitung Province is likely to increase. Such improvements have implications on the growing need for fossil fuels from various sectors that cause changes in air quality. Ministry of the Environment recommends doing an inventory of emissions. The load of emissions of sulfur dioxide (SO2), nitrogen oxides (NOx), carbon monoxide (CO), and particulate matter (PM10) is the primary air pollutants dangerous to be inventoried. The average load of SO2 emission Bangka Belitung province of 6,045.89 tons/year and the largest contributor came from the industrial sector (41.43%). Load of NOx emissions by 16,324.84 tons/year, CO amounted to 75,639.01 tons/year, and PM10 amounted to 2,750.66 tons/year. The transportation sector is the largest contributor of load NOx emissions (62.11%), CO (96.58%), and PM10 (79.93%). The largest contributor of load of emissions SO2, NOx, CO, and PM10 in Bangka Belitung is Bangka. Bangka Belitung Provincial Government planned several strategies to reduce the load of emissions include smart driving, energy audit, centralized power plants, and the conversion of kerosene to LPG in the domestic sector. With the implementation of this strategy is expected to reduce load of emissions by 30%.

Pemanfaatan Tandan Kosong Sawit Dan Rumput Sebagai Bahan Kompos di PT Bukit Asam, Sumatera Selatan Arief Juniarto; Irdika Mansur; Arief Sabdo Yuwono
Jurnal Silvikultur Tropika Vol. 9 No. 3 (2018): Jurnal Silvikultur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.9.3.182-187

PT Bukit Asam had strategies to improve soil fertility in the ex-mine land using compost. The amount of compost added to the soil depend on the extent of reclamation area. Oil palm empty fruit bunch and grass are highly potential to be used as the compost materials in reclamation area. The objectives of the research were to characterize the compost from oil palm empty fruit bunch and grass, and to compare the suitability between the result of this research and nasional standard compost. Oil palm empty fruit bunch and grass were obtained from PT Bumi Sawindo Permai and reclamation area of PT Bukit Asam, respectively. Composting site was located in the ex-mine land of PT Bukit Asam. Composting method used passively aerated static pile system. The results showed that the compost characteristic of oil palm empty fruit bunch compost had a dark yellowish brown color, pH at 9.3, C/N ratio at 14, and nutrients (C-Organic, N, P, K, and Mn Total). The compost characteristics of grass had a very dark brown, pH at 7.3, C/N ratio at 7, and nutrients (C-Organic, N, P, K, and Mn Total). The compost from oil palm empty fruit bunch and grass were in accordance with the national standard of compost.Keywords: empty fruit bunch, grass, compos

POTENSI DAMPAK DISPERSI POLUTAN KARBON MONOKSIDA TERHADAP KESEHATAN PENDUDUK DI SEKITAR PINTU TOL BARANANGSIANG BOGOR Yudith Vega Paramitadevy; Arief Sabdo Yuwono; Meiske Widyarti
Bumi Lestari Journal of Environment Vol 17 No 1 (2017)
Publisher : Environmental Research Center (PPLH) of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/blje.2017.v17.i01.p04

Over the past decade, emission from carbon monoxide (CO) has risen due to the increase of vehicles per year. Bogor as a weekend tourist town has a heavy burden in terms of the volume of motor vehicles. Object in this study is Baranangsiang Bogor toll gateway which often occurs queue of motor vehicles and allegedly produces many pollutants CO.This study was conducted to simulate the CO concentration by the method of Finite Length Line Source (FLLS) around Baranangsiang Bogor toll gateway and recapitulate types of diseases associated with CO impacts on communities around the toll is in line with the pattern of increase in the volume of vehicles at 6 % per years. Based on the results of measurements and simulations were conducted on four sampling points within 20 m and 190 m from the sources of pollution on 29 August to 1 September 2013, the concentration of CO is still within the range of quality standards in accordance with Regulation No. 41 of 1999 which is 634-9189 ìg/Nm . Dispersion of pollutants CO dominantly heading eastwards with the wind speed measurements 1.5-5.2 m/ s and atmospheric stability class B. Kampung Sawah RT 02 RW 07 is exposed to higher CO. Recapitulation of medical records showed that CO intoxication suspected cases of the disease are more common in Kampung Sawah housing than Perumahan Pegawai IPB Baranangsiang 4.

Penggunaan Bahan Bakar Alternatif dalam Pengelolaan Tambang Batubara sebagai Sumber Energi yang Ramah terhadap Lingkungan Frances Roi Seston Tampubolon; Arief Sabdo Yuwono; Armansyah Halomoan Tambunan; Noer Azam Achsani
Jurnal Ilmu Lingkungan Vol 19, No 1 (2021): April 2021
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.19.1.89-97

Penggunaan alternative di masa masa seperti sekarang ini sangat diperlukan. Hal yang paling signfikan adalah penggunaan bahan bakar untuk pengolahan bahan mineral seperti batubara, nikel, tembaga dan lain sebagainya. Dengan penggunaan bahan bakar alternative akan memberikan solusi apabila dibandingkan dengan penggunaan bahan bakar fosil seperti minyak bumi yang sebentar lagi akan mulai habis. Batubara berkontribusi terhadap hujan asam dan kabut asap, terutama ketika dibakar tanpa scrubber. Studi LCA lengkap yang berisi analisis dampak (endpoint impact category) berdasarkan beberapa kategori kesehatan manusia (human health), ekosistem (ecosystem), dan sumber daya air (water resources). Analisis siklus hidup ini dilakukan untuk jenis logam di industri pertambangan. Analisis siklus hidup digunakan untuk menganalisis dampaknya terhadap kesehatan manusia dan pemanasan global. Akan dibutuhkan pengolahan dan penggunaan bahan bakar alternative tersebut sebagai sumber energi. Di dalam penelitian pengolahan data akan sangat dibutuhkan apabila pada saat melihat pengaruh dari penggunaan bahan bakar alternative terhadap kondisi lingkungan yang ada di sekitarnya. Dampak penggunaan listrik yang dikonsumsi untuk proses penambangan akan memberikan pengaruh terhadap meningkatnya efek pada pemanasan global. Fuzzy logic yang akan dikombinasikan dengan penggunaan metode LCA di dalam penelitian ini untuk membantu proses di dalam hal mengumpulkan data menggunakan kuesioner yang dipandu selama fase tujuan dan ruang lingkup (goal and scope) dan analisis persediaan. Selanjutnya metode open LCA untuk melihat hasil yang diperoleh dari data sekunder pada database yang diperoleh sebagai data sekunder. Dari hasil penelitian memberikan nilai 2,5 untuk proses land clearing dan top soil hauling dan nilai 2 untuk over burden stripping nilai 2 over burden disposal, nilai 2 untuk coal hauling dan hasil output memberikan nilai 0,529 untuk global warming potential.

Konsep Ecohouse pada Rumah Baduy Dalam Meiske Widyarti; Budi Indra Setiawan; Hadi Susilo Arifin; Arief Sabdo Yuwono
Jurnal Keteknikan Pertanian Vol. 25 No. 2 (2011): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Abstract Environment quality is worsening every year; building’s sector contributes 66 % of fossil fuels pollution sources. Ways in building constructions needs to be changed in more environmental friendly manner. Today, in spite of new technological advances in techniques and materials, buildings are continuously being built but lack of climatic consideration. Indigenous people, such as the Inner Baduy community, from longstanding experience have developed systems as their local wisdoms adapting to its environment and buildings in a sustainable manner. The aim of this study is to emphasize the importance of traditional knowledge in terms of providing environmental friendly buildings and the existence of documentation as a knowledge base of an Indonesian traditional settlement in a hot humid climate’s mode. The study results are reconstructions on, building design will be presented in technical drawings and drawn with Sketch up computer program. Keywords: Baduy, design, ecohouse, local wisdom Abstrak Sektor bangunan menyumbang 66% dari sumber polusi bahan bakar fosil yang akan berdampak pada memburuknya kualitas lingkungan. Teknik konstruksi bangunan perlu diubah dengan cara yang lebih ramah lingkungan. Meskipun kemajuan dalam teknologi pembangunan berkembang pesat, dan bangunan yang terus menerus dibangun akan tetapi dalam penggunaan teknik dan material bangunan tidak mempertimbangkan kerusakan iklim yang ditimbulkan. Masyarakat adat, seperti masyarakat Baduy Dalam telah berpengalaman sejak lama dalam konservasi lingkungan yang dilaksanakan sebagai kearifan lokal mereka termasuk dalam pembangunan konstruksi rumah. Tujuan dari penelitian ini adalah 1) untuk mengevaluasi dan mendapatkan pengetahuan dalam bangunan tradisional dan 2) Mendokumentasikan konsep bangunan tradisional Indonesia sebagai dasar dalam pembangunan pada wilayah beriklim panas lembab. Hasil penelitian ini bangunan di Baduy Dalam merupakan bangunan yang berkelanjutan. Bangunan ini direkonstruksi dan disajikan dalam gambar teknik yang digambar dengan program komputer Sketchup 2008. Kata Kunci: Baduy Dalam, konstruksi eco-house, kearifan lokal Diterima: 21 April 2011; Disetujui: 16 Agustus 2011

Low-cost nitrogen dioxide monitoring station based on metal oxide sensor and cellular network Rady Purbakawaca; Arief Sabdo Yuwono; Husin Alatas; I Dewa Made Subrata
Indonesian Journal of Electrical Engineering and Computer Science Vol 26, No 1: April 2022
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v26.i1.pp105-115

Air pollution has a negative impact on the environment and human health. Meanwhile, the number of conventional air quality monitoring stations is minimal due to high procurement and operational costs. This study proposes a nitrogen dioxide (NO2) pollutant measurement system using the metal oxide sensor (MOX) sensor and cellular network for data transmission in the measurement area. A calibration curve is used to measure NO2 levels based on the sensor's internal resistance changes. Measurement data of NO2 concentration, air temperature, relative humidity, and geospatial information are compiled and sent via global positioning system (GSM), general packet radio service (GPRS) radio communication with transmission intervals of every minute. The database server processes the data and displays it on the web application. System testing results at the Tugu Kujang Bogor at 15:38:00-16:38:00 September 23, 2021, showed that the concentration of NO2 ranged from 0.16-0.52ppm with an average of 270 ppb with an AQI of 133 in the unhealthy category for the sensitive group. The measured NO2 levels are outside the range of the NO2 concentration database in the industrial areas of Bogor and Jakarta for the 2016-2020 period. Therefore, this system provides an excellent opportunity to obtain real-time measurement data in the field.

Formulasi Indeks Kenyamanan Udara dalam Ruang pada Tempat Ibadah: Formulation of Indoor Air Comfort Index for Worship Buildings Ahmad Ramdani; Arief Sabdo Yuwono
Jurnal Teknik Sipil dan Lingkungan Vol. 7 No. 2: Agustus 2022
Publisher : Departemen Teknik Sipil dan Lingkungan, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsil.7.2.171-180

Two main functions of public facilities are providing services to residents and maintaining environmental quality. There is currently no index that states the parameters of indoor air comfort quantitatively for worship buildings. The comfort for a building will affect the physical and mental health of its occupants. The research has identified and formulated an indoor air comfort index for worship buildings based on temperature, noise, odour, relative humidity, and light intensity that can be the best recommendations for district/city governments. The research has conducted using qualitative and quantitative methods. The qualitative method is based on filling the questionnaires by respondents and the quantitative method is based on the measurement of five parameters at the research site. The formulation obtained from the results of the weighting of the questionnaire and the index for each parameter. The indoor air comfort index is obtained based on five levels: uncomfortable, less comfortable, quite comfortable, comfortable, and extremely comfortable. The results of the research place of worship gave an index value of 4.0 at Tridharma temple that has declared comfortable, an index value of 2.9 at Church of Immanuel that have declared quite comfortable, and a range of index values of 3.1-3.8 at seven other sites that has declared comfortable.

KAJIAN PENGARUH PENGGUNAAN LUMPUR MINYAK TERHADAP KONSENTRASI TOTAL PARTIKULAT TERSUSPENSI (TSP) DAN SULFUR DIOKSIDA (SO2) DARI EMISI TANUR PUTAR INDUSTRI SEMEN (Assessment of Oil Sludge Utilization Influence on Total Suspended Particulate) Rofie Fatimah; Allen Kurniawan; Arief Sabdo Yuwono
Jurnal Manusia dan Lingkungan Vol 21, No 3 (2014): November
Publisher : Pusat Studi Lingkungan Hidup Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jml.18552

ABSTRAKIndustri semen merupakan industri padat energi dengan memanfaatkan bahan bakar fosil. Beberapa pabrik semen mencari sumber energi alternatif mengingat cadangan bahan bakar fosil terbatas dengan harga yang meningkat. Di sisi lain, pengelolaan limbah sangat dibutuhkan sebagai dampak dari aktivitas perindustrian. Co-processing merupakan salah satu upaya untuk mengatasi permasalahan tersebut dengan memanfaatkan limbah industri sebagai sumber energi baru. Salah satu limbah yang dapat dimanfaatkan adalah lumpur minyak. Atas dasar deskripsi tersebut, tujuan penelitian ini untuk membandingkan konsentrasi Total Partikulat Tersuspensi (TSP) dan sulfur dioksida (SO2) yang diemisikan dari tanur industri semen saat menggunakan bahan bakar utama (batu bara) dan batu bara yang digabung dengan lumpur minyak, membandingkan konsentrasi setiap kondisi dengan nilai baku mutu yang berlaku, serta mengkaji karakteristik lumpur minyak sebagai bahan bakar alternatif. Pengambilan contoh uji dilakukan di salah satu industri semen yang telah memanfaatkan bahan bakar alternatif dengan mengacu pada standar internasional EN 13284-1 dan ISO 7934. Konsentrasi rata-rata TSP dan SO2 saat penggunaan batu bara masing-masing diperoleh sebesar 31,48 dan 19,67 mg/Nm3, sementara saat penggunaan batu bara dan lumpur minyak masing-masing adalah 19,60 dan 12,21 mg/Nm3. Kedua konsentrasi berada di bawah ambang batas baku mutu emisi masing-masing. Dari hasil beberapa penelitian, kandungan terbesar lumpur minyak berupa senyawa-senyawa organik terutama hidrokarbon. Kandungan abu dalam lumpur minyak berkisar 1,88-18,51% dan kandungan sulfur berkisar 2,06-2,26% dari total persen berat, sehingga emisi TSP dan SO2 yang dihasilkan relatif rendah.ABSTRACTCement industry needs lots of energy, which fulfilled by fossil fuel. Therefore, finding alternative energy should be encouraged. On the other side, there is a need to manage the waste as the result of industrial activities. One of the alternatives is co-processing, which is a process to recover the energy and waste for industrial production process. One of the waste that has been used is oil sludge. The purposes of this research were to compare the concentration of Total Suspended Particulate (TSP) and Sulfur dioxide (SO2) when they use coal only and coal which added by oil sludge, to compare the concentrations with the standard limit, also to characterize the oil sludge. Samples were taken at one of the cement industries that have used alternative fuel according to international standard EN 13284-1 and ISO 7934. The average concentration of TSP and SO2 which only used coal were 31.48 and 19.67 mg/Nm3 respectively, while the TSP and SO2 concentration that used coal and oil sludge were 19.6 and 12.21 mg/Nm3, respectively. The concentration of TSP and SO2 were below the standard limit. The major content of oil sludge are organic compounds, especially hydrocarbon. In the oil sludge, ash content ranged between 1.88-18.51% and sulfur content ranged between 2.06-2.26% of the total weight, so the TSP and SO2 emissions may be produced in low concentration.

Evaluasi Batas Konsentrasi Parameter Indeks Standar Pencemar Udara (ISPU) pada Kawasan Industri di Pulau Jawa Pryanka Alusvigayana; Arief Sabdo Yuwono; Mohamad Yani; Supandi Syarwan
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 13 No 4 (2023): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.13.4.537-548

Due to the harmful effects of air pollution on health, outdoor air pollution standards are getting stricter. Because of environmental changes, the Minister of Environment and Forestry Regulation No. 14/2020 must reevaluate the concentration limits for ISPU parameters. This study aimed to examine the concentration ranges and ISPU values for SO2, NO2, CO, O3, and PM10 in industrial estates on Java Island, and set concentration limits for five relevant ISPU parameters based on the results of monitoring, sampling, and toxicity studies. A drop in the average concentration of the five ISPU parameters in 2022 compared to monitoring from 2015 to 2019 shows that the air quality in industrial estates on Java Island is improving. The ISPU values between 10 and 56 are in the good-to-moderate range, which means that the air quality is still good enough for the health of humans, animals, and plants. The relevant concentration limit recommendations for ISPU in good-to-moderate categories for SO2, NO2, CO, O3, and PM10 were 42–77 μg/Nm3, 29–120 μg/Nm3, 3519–5037 μg/Nm3, 33–97 μg/Nm3, and 29–82 μg/Nm3, respectively. The results of this study can be used to improve Indonesia’s ambient air quality index system (ISPU).

Co-Authors Ahmad Ramdani Allen Kurniawan Amperanoto, Agus Anuraga Jayanegara Armansyah Halomoan Tambunan Aulia Andi Mustika Budi Indra Setiawan Budi Purwanto Elviana Elviana Elviana Elviana, Elviana Erliza Noor Febrita, Joana Fifi Gus Dwiyanti Frances Roi Seston Tampubolon Hadi Susilo Arifin Hudaya, Aang Husin Alatas I Dewa Made Subrata IBNUL QAYIM IPB, BPKB Irdika Mansur Juniarto, Arief Lukvy, Wisely Meiske Widyarti Meiske Widyarti Meti Ekayani Mohamad Yani Neni Sintawardani Pryanka Alusvigayana Purbakawaca, Rady Putra, Heriansyah Rai Sita Ramdani, Ahmad Rifnadhi, Bayu Rina Mardiana Rochimawati, Nur Riana Rofie Fatimah Rofie Fatimah, Rofie Rukmana, Adi Sari, Windi Mayang Supandi Syarwan Utami, Annisa Dwi Yudi Chadirin Yudith Vega Paramitadevy Zaenal Abidin

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